作　　者： ; ; ; ; ; ;

机构地区： 广西大学化学化工学院

出　　处： 《稀有金属》 2005年第4期567-569,共3页

摘　　要： 以ZrOCl2.8H2O和NH4HCO3为原料,在适量表面活性剂(PEG-400)存在下,先在室温下充分混合研磨进行固相反应,得到的反应混合物再用水洗去其中的可溶性无机盐并烘干,即得氧化锆前驱体。前驱体经530℃下热解3h即得氧化锆产品,采用TG/DTA,XRD和TEM对前驱体及产品进行了表征。结果表明,所得产品氧化锆为结晶良好、以四方相为主的混合晶相,其平均粒径约为25nm。 Precursor of ZrO_2 was obtained when ZrOCl_2·8H_2O and NH_4HCO_3 were fully ground in the presence of surfactant PEG-400 via solid-state reaction at room temperature. Then mixture was washed with water to remove soluble inorganic salts and was dried. ZrO_2 was obtained by thermal decomposition of precursor at 530 ℃ for 3 h. The precursor and product ZrO_2 were characterized by TG/DTA, XRD and TEM. The result shows that ZrO_2 is of high crystallinity and is a mixed crystal with tetragonal structure in majori...

关 键 词： 氧化锆 纳米 氯氧化锆 制备 室温固相反应

领　　域： [一般工业技术]